diff --git a/packages/core/src/classes.ts b/packages/core/src/classes.ts
index ae0d1f56da..d1a924bd52 100644
--- a/packages/core/src/classes.ts
+++ b/packages/core/src/classes.ts
@@ -19,13 +19,27 @@ import type { IntlString, Asset, Resource } from '@anticrm/platform'
  * @public
  */
 export type Ref<T extends Doc> = string & { __ref: T }
+
+/**
+ * @public
+ */
 export type PrimitiveType = number | string | boolean | undefined | Ref<Doc>
+
+/**
+ * @public
+ */
 export type Timestamp = number
 
+/**
+ * @public
+ */
 export interface Obj {
   _class: Ref<Class<this>>
 }
 
+/**
+ * @public
+ */
 export interface Doc extends Obj {
   _id: Ref<this>
   space: Ref<Space>
@@ -33,35 +47,62 @@ export interface Doc extends Obj {
   modifiedBy: Ref<Account>
 }
 
+/**
+ * @public
+ */
 export type PropertyType = any
 
+/**
+ * @public
+ */
 export interface UXObject extends Obj {
   label?: IntlString
   icon?: Asset
 }
 
+/**
+ * @public
+ */
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export interface Type<T extends PropertyType> extends UXObject {}
 
+/**
+ * @public
+ */
 export interface Attribute<T extends PropertyType> extends Doc, UXObject {
   attributeOf: Ref<Class<Obj>>
   name: string
   type: Type<T>
 }
 
+/**
+ * @public
+ */
 export type AnyAttribute = Attribute<Type<any>>
 
+/**
+ * @public
+ */
 export enum ClassifierKind {
   CLASS,
   MIXIN
 }
 
+/**
+ * @public
+ */
 export interface Classifier extends Doc, UXObject {
   kind: ClassifierKind
 }
 
+/**
+ * @public
+ */
 export type Domain = string & { __domain: true }
 
+/**
+ * @public
+ */
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 export interface Class<T extends Obj> extends Classifier {
   extends?: Ref<Class<Obj>>
@@ -69,34 +110,61 @@ export interface Class<T extends Obj> extends Classifier {
   triggers?: Trigger[]
 }
 
+/**
+ * @public
+ */
 export type Mixin<T extends Doc> = Class<T>
 
 // D A T A
 
+/**
+ * @public
+ */
 export type Data<T extends Doc> = Omit<T, keyof Doc>
 
 // T Y P E S
 
+/**
+ * @public
+ */
 export interface RefTo<T extends Doc> extends Type<Ref<Class<T>>> {
   to: Ref<Class<T>>
 }
 
+/**
+ * @public
+ */
 export type Bag<T extends PropertyType> = Record<string, T>
 
+/**
+ * @public
+ */
 export interface BagOf<T extends PropertyType> extends Type<Bag<T>> {
   of: Type<T>
 }
 
+/**
+ * @public
+ */
 export type Arr<T extends PropertyType> = T[]
 
+/**
+ * @public
+ */
 export interface ArrOf<T extends PropertyType> extends Type<T[]> {
   of: Type<T>
 }
 
+/**
+ * @public
+ */
 export const DOMAIN_MODEL = 'model' as Domain
 
 // S E C U R I T Y
 
+/**
+ * @public
+ */
 export interface Space extends Doc {
   name: string
   description: string
@@ -104,29 +172,50 @@ export interface Space extends Doc {
   members: Arr<Ref<Account>>
 }
 
+/**
+ * @public
+ */
 export interface Account extends Doc {}
 
 // T X
 
+/**
+ * @public
+ */
 export interface TxFactory {
   createTxCreateDoc: <T extends Doc>(_class: Ref<Class<T>>, space: Ref<Space>, attributes: Data<T>) => TxCreateDoc<T>
   createTxMixin: <D extends Doc, M extends D>(objectId: Ref<D>, objectClass: Ref<Class<D>>, mixin: Ref<Mixin<M>>, attributes: ExtendedAttributes<D, M>) => TxMixin<D, M>
 }
 
+/**
+ * @public
+ */
 export type Trigger = Resource<(tx: Tx, txFactory: TxFactory) => Promise<Tx[]>>
 
+/**
+ * @public
+ */
 export interface Tx<T extends Doc = Doc> extends Doc {
   objectId: Ref<T>
   objectClass: Ref<Class<T>>
   objectSpace: Ref<Space>
 }
 
+/**
+ * @public
+ */
 export interface TxCreateDoc<T extends Doc> extends Tx<T> {
   attributes: Data<T>
 }
 
+/**
+ * @public
+ */
 export type ExtendedAttributes<D extends Doc, M extends D> = Omit<M, keyof D>
 
+/**
+ * @public
+ */
 export interface TxMixin<D extends Doc, M extends D> extends Tx<D> {
   mixin: Ref<Mixin<M>>
   attributes: ExtendedAttributes<D, M>